(
  import
    (
      let
        lock = builtins.fromJSON (builtins.readFile ./flake.lock);
        nodeName = lock.nodes.root.inputs.flake-compat;
      in
      fetchTarball {
        url = lock.nodes.${nodeName}.locked.url or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
        sha256 = lock.nodes.${nodeName}.locked.narHash;
      }
    )
    { src = ./.; }
).defaultNix
